Twenty years after releasing the very first carbon disc, Zipp's commitment to research and innovation continues to yield the world’s most advanced bicycle wheels. From the first climbing wheel developed in the wind tunnel to a power-measuring disc that can actually generate forward lift, Zipp wheels turn any situation into an opportunity for victory.
Perhaps the most versatile wheelset in our line, the light and aero 303 is well suited to hilly road races and smaller riders looking for control in windy events.

Climbing, descending, sprinting, crosswinds, rough roads, and anything else you might encounter on a ride are no sweat for the 303 Clincher. This wheelset has it all: the convenience and braking performance of an aluminium clincher rim, the durability and comfort of M2CM and VCLC technologies, and the versatility of the 44mm rim depth.

When conditions are unpredictable, the 303 Clincher wheelset is a sure thing.

Technology:

ABLC™ (Aerodynamic Boundary Layer Control)
Advanced Boundary Layer Control (ABLC) refers to the patented and instantly recognizable dimpled pattern found on most of our rims. ABLC smoothes airflow across the rim's surface and is tailored to every model from the 202 to the Sub9 disc. 2009 sees the third-generation of ABLC, with up to 4 times more dimples than before.

VCLC™ (Visco-Elastic Constrained Layer Control)
Visco-Elastic Constrained Layer Control (VCLC) uses a vibration-absorbing material sandwiched between layers of rigid carbon laminate in the rim. When the wheel receives an impact from the road, much of the shock is absorbed by the VCLC system, delivering a 10% reduction in vibration.

M2CM™ (Multi-Material Co-Molding)
Multi-Material Co-Molding (M2CM)ensures that Zipp clincher rims are the world's strongest. The process permanently fuses a sub-200 gram aluminium hoop to a carbon structure with the same dimpling as our tubular rims and our patented toroidal bulge, which acts as a leaf spring to reinforce the aluminium during impacts. The spokes lace directly to the carbon body for a fully structural rim that blends the ride feel of carbon with the braking performance of aluminium.

88/188 Hub Technology
Every aspect of our 88 and 188 hubs sets a new benchmark. The standard steel bearings are the roundest in the industry. The 17mm axle is the stiffest of any road hub we've tested. The wire EDM-cut hub internals are the most precise. The SHIFT spoke hole technology is the most durable. When it comes to precision and performance, there's really no comparison.

Front Wheel :
• Weight: 749g
• Rim Used: 417
• Hub Used: 88
• Spoke Count: 18
• Spoke Pattern: Radial
• Spoke Length: 260mm
• Max Tire Pressure: 125psi
• Track Adaptable: Yes
• Dimpled Surface: Yes

Rear Wheel :
• Weight: 874g
• Rim Used: 417
• Hub Used: 188
• Spoke Count: 24
• Spoke Length Non-Drive: 262mm
• Spoke Pattern Non-Drive: Cross
• Spoke Pattern Drive: Radial
• Spoke Length Drive: 248mm
• Max Tire Pressure: 125psi
• Track Adaptable: No
• Dimpled Surface: Yes

Total Weight 1623g